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Table 11 Farm income: standardised detectable differences and equivalent levels for different designs

From: Evaluation of alternative school feeding models on nutrition, education, agriculture and other social outcomes in Ghana: rationale, randomised design and baseline data

 

Farm incomes (in SDs)

Percentage difference

30 clusters

0.6

0.69

60 clusters

0.4

0.46

120 clusters

0.3

0.35

  1. SD standard deviation
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Trials

ISSN: 1745-6215